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Mirrors > Home > MPE Home > Th. List > neg1cn | Structured version Visualization version Unicode version |
Description: -1 is a complex number (common case). (Contributed by David A. Wheeler, 7-Jul-2016.) |
Ref | Expression |
---|---|
neg1cn |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-1cn 9628 |
. 2
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2 | 1 | negcli 9973 |
1
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